Menu Close

What are the three types of blood tubes?

What are the three types of blood tubes?

Blood Collection Tubes

Tube cap color Additive
Red or gold (mottled or “tiger” top used with some tubes) Serum tube with or without clot activator or gel
Green Sodium or lithium heparin with or without gel
Lavender or pink Potassium EDTA
Gray Sodium fluoride, and sodium or potassium oxalate

What are the different types of blood tubes?

Note: When multiple specimens are drawn from a single venipuncture, the following order is recommended: (1) sterile blood culture tubes, (2) nonadditive clotting tubes (red), (3) coagulation tubes and tubes containing citrate (blue), (4) gel-barrier tubes and tubes with additives (red), (5) tubes containing heparin ( …

What tubes do you use for blood draws?

The recommended order is as follows:

  • Blood culture tubes.
  • Sodium citrate tubes (e.g., blue-stopper)
  • Serum tubes with or without clot activator, with or without gel separator (e.g., red-, gold-, speckled-stopper)
  • Heparin tubes with or without gel (e.g., green-stopper)
  • EDTA tubes (e.g., lavender-stopper)

What is each tube used for in phlebotomy?


Green Sodium heparin(100 USP Units) Ammonia, Lactate, HLA Typing
Tan K2 EDTA Lead levels
Yellow ACD Solution A consists of trisodium citrate, citric acid and dextrose DNA Studies, HIV Cultures
Pink (K2)EDTA Blood type & Screen, Compatibility Study, Direct Coombs HIV Viral Load

What is a purple blood test for?

The purple top tube provides blood for infectious disease tests and ascertaining important data such as ABO/Rh (blood type), as well as whether the blood is positive or negative for cytomegalovirus (CMV), HIV, hepatitis, and West Nile virus, to name a few.

What tests are red top tubes used for?

Red top – Tube without gel separator, used mainly for serology and chemistry testing. 10mL Red top tubes are used in Blood Bank for antibody screens.

What is the purple top tube used for?

What is the dark blue tube used for in phlebotomy?

coagulation studies
2. Blue Top – Tube contains Sodium Citrate. Most often used for coagulation studies. Must be drawn prior to collection of serum tubes to prevent contamination with clot activator and interference with coagulation cascade.

What happens if you underfill a tube with blood?

If tubes are underfilled, the blood:anticoagulant ratio may result in hemolysis. Avoid underfilling tubes by having an ample supply of tubes of various capacities.

What would show up in a blood test?

Specifically, blood tests can help doctors: Evaluate how well organs—such as the kidneys, liver, thyroid, and heart—are working. Diagnose diseases and conditions such as cancer, HIV/AIDS, diabetes, anemia (uh-NEE-me-eh), and coronary heart disease. Find out whether you have risk factors for heart disease.

What blood tests should I get annually?

The 5 types of blood tests you should do every year

  • Broad Thyroid Panel.
  • Essential Nutrients: iron/ferritin, vitamin D, vitamin B12, magnesium.
  • Complete Metabolic Panel and Complete Blood Count.
  • Metabolic Markers: Hemoglobin A1c, fasting glucose and insulin, lipid panel.
  • Inflammatory markers: hsCRP, homocysteine.

When is a divert tube used?

A diversion tube is used to collect and waste the initial volume of blood.

  1. User-Controlled.
  2. A manual mechanism is required to prevent the initial volume from reaching the blood culture bottle.

What kind of blood collection tubes do you use?

Serum (clot activator) tubes (color dependent on brand: BD is commonly gold but also red, Greiner is red). These tubes have silica particles, which activate clotting. Some also have a gel to separate the serum.

How are the different types of phlebotomy tubes identified?

Different phlebotomy tubes are identified by the color of the stopper or shield. Specific colors indicate a presence of certain additives. They are categorized as tubes for coagulant blood tests, anticoagulant blood tests and other types of tests. Coagulant Blood Test.

What are the additives in blood collection tubes?

Lavender 1 Additive: EDTA (Ethylenediaminetetraacetic Acid) 2 What additive does: Removes calcium preventing clotting of blood 3 Laboratory uses: Hematology testing (ESR, CBC w/diff., HgBA1c) blood film for abnormal cells or malaria parasites, reticulocytes, red cell folate, Monospot test for EBV, parathyroid hormone (PTH)

What are the different types of blood stopper tubes?

Royal Blue (EDTA) stopper tubes are mainly used for whole blood heavy metal testing (i.e., lead, manganese, chromium). e. Pink stopper tubes are used for testing in Blood Bank, i.e. blood typing, crossmatching, and antibody screens.